20734160307 has 32 divisors (see below), whose sum is σ = 33240313344. Its totient is φ = 11246688000.

The previous prime is 20734160303. The next prime is 20734160339. The reversal of 20734160307 is 70306143702.

It is not a de Polignac number, because 20734160307 - 2² = 20734160303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20734160303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293569 + ... + 357282.

It is an arithmetic number, because the mean of its divisors is an integer number (1038759792).

Almost surely, 2^20734160307 is an apocalyptic number.

20734160307 is a deficient number, since it is larger than the sum of its proper divisors (12506153037).

20734160307 is a wasteful number, since it uses less digits than its factorization.

20734160307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650939.

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 20734160307 in words is "twenty billion, seven hundred thirty-four million, one hundred sixty thousand, three hundred seven".